obj-rest-non-string-computed-property-1dot.js (1643B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-assignment/obj-rest-non-string-computed-property-1dot.case 3 // - src/dstr-assignment/default/for-of.template 4 /*--- 5 description: Destructuring field can be a non-string computed property, i.e it can be defined only at runtime. Rest operation needs to skip these properties as well. (For..of statement) 6 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 7 features: [object-rest, destructuring-binding] 8 flags: [generated] 9 includes: [compareArray.js, propertyHelper.js] 10 info: | 11 IterationStatement : 12 for ( LeftHandSideExpression of AssignmentExpression ) Statement 13 14 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », 15 AssignmentExpression, iterate). 16 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, 17 keyResult, assignment, labelSet). 18 19 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation 20 21 [...] 22 4. If destructuring is true and if lhsKind is assignment, then 23 a. Assert: lhs is a LeftHandSideExpression. 24 b. Let assignmentPattern be the parse of the source text corresponding to 25 lhs using AssignmentPattern as the goal symbol. 26 [...] 27 ---*/ 28 var a = 1.; 29 var b, rest; 30 31 var counter = 0; 32 33 for ({[a]:b, ...rest} of [{[a]: [1], bar: 2 }]) { 34 assert.compareArray(b, [1]); 35 36 assert.sameValue(Object.getOwnPropertyDescriptor(rest, "1"), undefined); 37 38 verifyProperty(rest, "bar", { 39 value: 2, 40 enumerable: true, 41 writable: true, 42 configurable: true 43 }); 44 45 counter += 1; 46 } 47 48 assert.sameValue(counter, 1); 49 50 reportCompare(0, 0);